senator john kerry's hearings for secretary of state are now underway. hillary clinton is making her second appearance before the committee in as many days. clinton saying that senator kerry is the right choice. >> john has built strong relationships with leaders in governments here and around the world, and he has experience in representing our country in fragile and unpredictable circumstances. >> also on the hill today, senator diane feinstein and new york representative carolyn murphy are introducing an assault weapons ban. sources say props will include a bush master rifle, which is one of the weapons used in the shooting in nowtown, connecticut. the members of congress have cooperated fully with police. it would stop the sale importation and manufacturing of more than 150 types of guns and place a limit on high-capacity magazines. guns and magazines owned before the ban will be grandfathered in, but kept track of through a national registry. we'll be back with more stephanie after the break. stay with us. (vo) current's award winning original serie